Place Charles-Michels

Who was Charles Michels, the man who gave his name to the line 10 station in the 15th arrondissement?

Located under Place Charles-Michels and Avenue Emile Zola in the 15th arrondissement, the eponymous metro station is particularly well known to those who take line 10 to Boulogne-Billancourt (its terminus) or Gare d'Austerlitz (its other terminus).